Ultrasound 3.0MHz Prenatal Fetal Doppler Baby Sound B Heart Rate Monitor For Home Pregnant Women Sonoline No Radiation |

Характеристики

Specifications:

Display: LCD 45mmx36mm

Measuring range: 50~210 BPM (BPM: beat per minute)

Accuracy: ±2bpm

Resolution: 1bpm

Sound working frequency: 3.0MHz (2.0MHz, 2.5MHz optional)

Comprehensive sensitivity: at a distance of 200mm from the probe surface, the comprehensive sensitivity is not less than 90dB

Peak negative sound pressure: < 1MPa

Output beam sound intensity: < 20mW/cm⊃2;

The average derived sound intensity of spatial peak time: < 100mW/cm⊃2;

Ultrasonic output power: < 20mW

Speakers: The volume is adjustable

Headphone mouth: ∮3.5mm(not include headphone)

Guarantee:1 year

Please note that there should be a little color difference between the real object and the pictures

AA Battery Type(2xAA batteries,shipped without the batteries)

Rechargeable Type(Built-in 1000mAh Li-battery,USB charging,shipped with USB cable) How To Use:

*Before using it, make sure that the device has power.

*Press the button to turn on, and then adjust the volume.

*Lie on a pillow cushion and keep your legs straight and relaxed

*Attach the fetal probe to the abdomen to adjust the position of the fetus to find the best fetal heart direction

*After hearing the regular fetal heart sound, the FHR value will be displayed on the screen in real time

*Please contact us for help in timeif you can not use it well yet.